<template>
  <header class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！</p>
          <p v-if="token===''">
            <span>请</span>
            <!--声明式路由导航，要有to属性-->
            <router-link to="login">登录</router-link>
            <router-link to="register" class="register">免费注册</router-link>
          </p>
          <p v-else>
            <span>{{ nickName }}</span>&nbsp;&nbsp;
            <a class="register" @click="logout" style="cursor: pointer">退出</a>
          </p>
        </div>
        <div class="typeList">
          <router-link to="/center/myOrder">我的订单</router-link>
          <router-link to="/shopCart">我的购物车</router-link>
          <a href="###">我的尚品汇</a>
          <a href="###">尚品汇会员</a>
          <a href="###">企业采购</a>
          <a href="###">关注尚品汇</a>
          <a href="###">合作招商</a>
          <a href="###">商家后台</a>
        </div>
      </div>
    </div>
    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <router-link class="logo" to="home">
          <img src="./images/logo.png" alt="">
        </router-link>
      </h1>
      <div class="searchArea">
        <form action="###" class="searchForm">
          <input v-model="keyword" type="text" id="autocomplete" class="input-error input-xxlarge"/>
          <button class="sui-btn btn-xlarge btn-danger"
                  type="button"
                  @click="toSearch"
          >
            搜索
          </button>
        </form>
      </div>
    </div>
  </header>
</template>

<script>
import {mapState} from "vuex";
import {reqLogout} from "@/api";
import {id} from "mockjs/src/mock/random/misc";

export default {
  // eslint-disable-next-line vue/multi-word-component-names
  name: "",
  data() {
    return {
      keyword: '',
    }
  },
  computed: {
    ...mapState({
      token: state => state.user.token
    }),
    nickName() {
      return this.$store.state.user.userInfo.nickName
    }
  },
  mounted() {
    // 接收全局事件总线clearKeyWord删除关键字
    this.$bus.$on('clearKeyWord', () => {
      this.keyword = ''
    })
  },
  methods: {
    toSearch() {
      // 路由传参
      //1、字符串形式
      //this.$router.push('/search/' + this.keyword + '?k=' + this.keyword.toUpperCase())
      //2、模版字符串
      //this.$router.push(`/search/${this.keyword}?k=${this.keyword.toUpperCase()}`)
      //3、对象
      // 如果存在query参数也要携带过去
      if (this.$route.query) {// 虽说这样写，但this.$route.query永远为true
        const location = {name: "search", query: this.$route.query, params: {keyword: this.keyword || undefined}}
        this.$router.push(location)
      }
    },
    // 退出登陆
    async logout() {
      // 派发action
      try {
        await this.$store.dispatch('logout')
        // 跳转至home
        await this.$router.replace('/home')
      } catch (e) {
        alert(e.message)
      }
    }
  }
}
</script>

<style scoped lang="less">
.header {
  & > .top {
    background-color: #eaeaea;
    height: 30px;
    line-height: 30px;

    .container {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;

      .loginList {
        float: left;

        p {
          float: left;
          margin-right: 10px;

          .register {
            border-left: 1px solid #b3aeae;
            padding: 0 5px;
            margin-left: 5px;
          }
        }
      }

      .typeList {
        float: right;

        a {
          padding: 0 10px;

          & + a {
            border-left: 1px solid #b3aeae;
          }
        }

      }

    }
  }

  & > .bottom {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;

    .logoArea {
      float: left;

      .logo {
        img {
          width: 175px;
          margin: 25px 45px;
        }
      }
    }

    .searchArea {
      float: right;
      margin-top: 35px;

      .searchForm {
        overflow: hidden;

        input {
          box-sizing: border-box;
          width: 490px;
          height: 32px;
          padding: 0px 4px;
          border: 2px solid #ea4a36;
          float: left;

          &:focus {
            outline: none;
          }
        }

        button {
          height: 32px;
          width: 68px;
          background-color: #ea4a36;
          border: none;
          color: #fff;
          float: left;
          cursor: pointer;

          &:focus {
            outline: none;
          }
        }
      }
    }
  }
}
</style>